<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>display属性</title>
    <style>
        .xiongda {
            display: none;
            width: 200px;
            height: 200px;
            background-color: brown;
        }
        .xionger {
            width: 200px;
            height: 200px;
            background-color: chocolate;
        }
    </style>
</head>
<body>
    <div class="xiongda">熊大</div>
    <div class="xionger">熊二</div>
    <img src="img/display.png" alt="">
</body>
</html>